The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 16, 1999
Filed:
Mar. 03, 1998
Applicant:
Inventors:
John G Misselbrook, Houston, TX (US);
Graham B Wilde, Calgary, CA;
Assignee:
BJ Services, USA, Houston, TX (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
166312 ; 175 61 ;
Abstract
Method and apparatus for removing drill cuttings from a deviated wellbore drilled with coiled tubing, and more particularly method and apparatus for removing 'cuttings beds' from a significantly horizontal wellbore drilled with a downhole motor by creating flow of fluid in the wellbore at a critical flow rate, above a flow rate range designed for the drilling.